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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2012 The Netty Project</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * The Netty Project licenses this file to you under the Apache License,</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * version 2.0 (the "License"); you may not use this file except in compliance</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * with the License. You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *   <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.bootstrap;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> java.net.InetSocketAddress;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> java.net.SocketAddress;
<a class="jxr_linenumber" name="20" href="#20">20</a>  
<a class="jxr_linenumber" name="21" href="#21">21</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channel;
<a class="jxr_linenumber" name="22" href="#22">22</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelConfig;
<a class="jxr_linenumber" name="23" href="#23">23</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelException;
<a class="jxr_linenumber" name="24" href="#24">24</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFactory;
<a class="jxr_linenumber" name="25" href="#25">25</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelFuture;
<a class="jxr_linenumber" name="26" href="#26">26</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelHandler;
<a class="jxr_linenumber" name="27" href="#27">27</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipeline;
<a class="jxr_linenumber" name="28" href="#28">28</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipelineException;
<a class="jxr_linenumber" name="29" href="#29">29</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.ChannelPipelineFactory;
<a class="jxr_linenumber" name="30" href="#30">30</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.channel.Channels;
<a class="jxr_linenumber" name="31" href="#31">31</a>  
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * A helper class which creates a new server-side {@link Channel} for a</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * connectionless transport.</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Only for connectionless transports&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * This bootstrap is for connectionless transports only such as UDP/IP.</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * Use {@link ServerBootstrap} instead for connection oriented transports.</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * Do not use this helper if you are using a connection oriented transport such</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> * as TCP/IP and local transport which accepts an incoming connection and lets</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> * the accepted child channels handle received messages.</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Configuring channels&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> * {@link #setOption(String, Object) Options} are used to configure a channel:</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> * {@link ConnectionlessBootstrap} b = ...;</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>  <em class="jxr_javadoccomment"> * // Options for a new channel</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_javadoccomment"> * b.setOption("localAddress", new {@link InetSocketAddress}(8080));</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment"> * b.setOption("tcpNoDelay", true);</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment"> * b.setOption("receiveBufferSize", 1048576);</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> * For the detailed list of available options, please refer to</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> * {@link ChannelConfig} and its sub-types.</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="60" href="#60">60</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Configuring a channel pipeline&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="61" href="#61">61</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="62" href="#62">62</a>  <em class="jxr_javadoccomment"> * Every channel has its own {@link ChannelPipeline} and you can configure it</em>
<a class="jxr_linenumber" name="63" href="#63">63</a>  <em class="jxr_javadoccomment"> * in two ways.</em>
<a class="jxr_linenumber" name="64" href="#64">64</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment"> * The recommended approach is to specify a {@link ChannelPipelineFactory} by</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment"> * calling {@link #setPipelineFactory(ChannelPipelineFactory)}.</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="68" href="#68">68</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="69" href="#69">69</a>  <em class="jxr_javadoccomment"> * {@link ConnectionlessBootstrap} b = ...;</em>
<a class="jxr_linenumber" name="70" href="#70">70</a>  <em class="jxr_javadoccomment"> * b.setPipelineFactory(new MyPipelineFactory());</em>
<a class="jxr_linenumber" name="71" href="#71">71</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment"> * public class MyPipelineFactory implements {@link ChannelPipelineFactory} {</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment"> *   public {@link ChannelPipeline} getPipeline() throws Exception {</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment"> *     // Create and configure a new pipeline for a new channel.</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment"> *     {@link ChannelPipeline} p = {@link Channels}.pipeline();</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>  <em class="jxr_javadoccomment"> *     p.addLast("encoder", new EncodingHandler());</em>
<a class="jxr_linenumber" name="77" href="#77">77</a>  <em class="jxr_javadoccomment"> *     p.addLast("decoder", new DecodingHandler());</em>
<a class="jxr_linenumber" name="78" href="#78">78</a>  <em class="jxr_javadoccomment"> *     p.addLast("logic",   new LogicHandler());</em>
<a class="jxr_linenumber" name="79" href="#79">79</a>  <em class="jxr_javadoccomment"> *     return p;</em>
<a class="jxr_linenumber" name="80" href="#80">80</a>  <em class="jxr_javadoccomment"> *   }</em>
<a class="jxr_linenumber" name="81" href="#81">81</a>  <em class="jxr_javadoccomment"> * }</em>
<a class="jxr_linenumber" name="82" href="#82">82</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="83" href="#83">83</a>  
<a class="jxr_linenumber" name="84" href="#84">84</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="85" href="#85">85</a>  <em class="jxr_javadoccomment"> * The alternative approach, which works only in a certain situation, is to use</em>
<a class="jxr_linenumber" name="86" href="#86">86</a>  <em class="jxr_javadoccomment"> * the default pipeline and let the bootstrap to shallow-copy the default</em>
<a class="jxr_linenumber" name="87" href="#87">87</a>  <em class="jxr_javadoccomment"> * pipeline for each new channel:</em>
<a class="jxr_linenumber" name="88" href="#88">88</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="89" href="#89">89</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="90" href="#90">90</a>  <em class="jxr_javadoccomment"> * {@link ConnectionlessBootstrap} b = ...;</em>
<a class="jxr_linenumber" name="91" href="#91">91</a>  <em class="jxr_javadoccomment"> * {@link ChannelPipeline} p = b.getPipeline();</em>
<a class="jxr_linenumber" name="92" href="#92">92</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="93" href="#93">93</a>  <em class="jxr_javadoccomment"> * // Add handlers to the default pipeline.</em>
<a class="jxr_linenumber" name="94" href="#94">94</a>  <em class="jxr_javadoccomment"> * p.addLast("encoder", new EncodingHandler());</em>
<a class="jxr_linenumber" name="95" href="#95">95</a>  <em class="jxr_javadoccomment"> * p.addLast("decoder", new DecodingHandler());</em>
<a class="jxr_linenumber" name="96" href="#96">96</a>  <em class="jxr_javadoccomment"> * p.addLast("logic",   new LogicHandler());</em>
<a class="jxr_linenumber" name="97" href="#97">97</a>  <em class="jxr_javadoccomment"> * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="98" href="#98">98</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="99" href="#99">99</a>  <em class="jxr_javadoccomment"> * Please note 'shallow-copy' here means that the added {@link ChannelHandler}s</em>
<a class="jxr_linenumber" name="100" href="#100">100</a> <em class="jxr_javadoccomment"> * are not cloned but only their references are added to the new pipeline.</em>
<a class="jxr_linenumber" name="101" href="#101">101</a> <em class="jxr_javadoccomment"> * Therefore, you cannot use this approach if you are going to open more than</em>
<a class="jxr_linenumber" name="102" href="#102">102</a> <em class="jxr_javadoccomment"> * one {@link Channel}s or run a server that accepts incoming connections to</em>
<a class="jxr_linenumber" name="103" href="#103">103</a> <em class="jxr_javadoccomment"> * create its child channels.</em>
<a class="jxr_linenumber" name="104" href="#104">104</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="105" href="#105">105</a> <em class="jxr_javadoccomment"> * &lt;h3&gt;Applying different settings for different {@link Channel}s&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="106" href="#106">106</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="107" href="#107">107</a> <em class="jxr_javadoccomment"> * {@link ConnectionlessBootstrap} is just a helper class.  It neither</em>
<a class="jxr_linenumber" name="108" href="#108">108</a> <em class="jxr_javadoccomment"> * allocates nor manages any resources.  What manages the resources is the</em>
<a class="jxr_linenumber" name="109" href="#109">109</a> <em class="jxr_javadoccomment"> * {@link ChannelFactory} implementation you specified in the constructor of</em>
<a class="jxr_linenumber" name="110" href="#110">110</a> <em class="jxr_javadoccomment"> * {@link ConnectionlessBootstrap}.  Therefore, it is OK to create as</em>
<a class="jxr_linenumber" name="111" href="#111">111</a> <em class="jxr_javadoccomment"> * many {@link ConnectionlessBootstrap} instances as you want with the same</em>
<a class="jxr_linenumber" name="112" href="#112">112</a> <em class="jxr_javadoccomment"> * {@link ChannelFactory} to apply different settings for different</em>
<a class="jxr_linenumber" name="113" href="#113">113</a> <em class="jxr_javadoccomment"> * {@link Channel}s.</em>
<a class="jxr_linenumber" name="114" href="#114">114</a> <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="115" href="#115">115</a> <em class="jxr_javadoccomment"> * @apiviz.landmark</em>
<a class="jxr_linenumber" name="116" href="#116">116</a> <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="117" href="#117">117</a> <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/jboss/netty/bootstrap/ConnectionlessBootstrap.html">ConnectionlessBootstrap</a> <strong class="jxr_keyword">extends</strong> <a href="../../../../org/jboss/netty/bootstrap/Bootstrap.html">Bootstrap</a> {
<a class="jxr_linenumber" name="118" href="#118">118</a> 
<a class="jxr_linenumber" name="119" href="#119">119</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="120" href="#120">120</a> <em class="jxr_javadoccomment">     * Creates a new instance with no {@link ChannelFactory} set.</em>
<a class="jxr_linenumber" name="121" href="#121">121</a> <em class="jxr_javadoccomment">     * {@link #setFactory(ChannelFactory)} must be called before any I/O</em>
<a class="jxr_linenumber" name="122" href="#122">122</a> <em class="jxr_javadoccomment">     * operation is requested.</em>
<a class="jxr_linenumber" name="123" href="#123">123</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="124" href="#124">124</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/bootstrap/ConnectionlessBootstrap.html">ConnectionlessBootstrap</a>() {
<a class="jxr_linenumber" name="125" href="#125">125</a>     }
<a class="jxr_linenumber" name="126" href="#126">126</a> 
<a class="jxr_linenumber" name="127" href="#127">127</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="128" href="#128">128</a> <em class="jxr_javadoccomment">     * Creates a new instance with the specified initial {@link ChannelFactory}.</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="130" href="#130">130</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/bootstrap/ConnectionlessBootstrap.html">ConnectionlessBootstrap</a>(<a href="../../../../org/jboss/netty/channel/ChannelFactory.html">ChannelFactory</a> channelFactory) {
<a class="jxr_linenumber" name="131" href="#131">131</a>         <strong class="jxr_keyword">super</strong>(channelFactory);
<a class="jxr_linenumber" name="132" href="#132">132</a>     }
<a class="jxr_linenumber" name="133" href="#133">133</a> 
<a class="jxr_linenumber" name="134" href="#134">134</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="135" href="#135">135</a> <em class="jxr_javadoccomment">     * Creates a new channel which is bound to the local address which was</em>
<a class="jxr_linenumber" name="136" href="#136">136</a> <em class="jxr_javadoccomment">     * specified in the current {@code "localAddress"} option.  This method is</em>
<a class="jxr_linenumber" name="137" href="#137">137</a> <em class="jxr_javadoccomment">     * similar to the following code:</em>
<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment">     * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment">     * {@link ConnectionlessBootstrap} b = ...;</em>
<a class="jxr_linenumber" name="141" href="#141">141</a> <em class="jxr_javadoccomment">     * b.bind(b.getOption("localAddress"));</em>
<a class="jxr_linenumber" name="142" href="#142">142</a> <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="143" href="#143">143</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="144" href="#144">144</a> <em class="jxr_javadoccomment">     * @return a new bound channel which accepts incoming connections</em>
<a class="jxr_linenumber" name="145" href="#145">145</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="146" href="#146">146</a> <em class="jxr_javadoccomment">     * @throws IllegalStateException</em>
<a class="jxr_linenumber" name="147" href="#147">147</a> <em class="jxr_javadoccomment">     *         if {@code "localAddress"} option was not set</em>
<a class="jxr_linenumber" name="148" href="#148">148</a> <em class="jxr_javadoccomment">     * @throws ClassCastException</em>
<a class="jxr_linenumber" name="149" href="#149">149</a> <em class="jxr_javadoccomment">     *         if {@code "localAddress"} option's value is</em>
<a class="jxr_linenumber" name="150" href="#150">150</a> <em class="jxr_javadoccomment">     *         neither a {@link SocketAddress} nor {@code null}</em>
<a class="jxr_linenumber" name="151" href="#151">151</a> <em class="jxr_javadoccomment">     * @throws ChannelException</em>
<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment">     *         if failed to create a new channel and</em>
<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment">     *                      bind it to the local address</em>
<a class="jxr_linenumber" name="154" href="#154">154</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="155" href="#155">155</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/Channel.html">Channel</a> bind() {
<a class="jxr_linenumber" name="156" href="#156">156</a>         SocketAddress localAddress = (SocketAddress) getOption(<span class="jxr_string">"localAddress"</span>);
<a class="jxr_linenumber" name="157" href="#157">157</a>         <strong class="jxr_keyword">if</strong> (localAddress == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="158" href="#158">158</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"localAddress option is not set."</span>);
<a class="jxr_linenumber" name="159" href="#159">159</a>         }
<a class="jxr_linenumber" name="160" href="#160">160</a>         <strong class="jxr_keyword">return</strong> bind(localAddress);
<a class="jxr_linenumber" name="161" href="#161">161</a>     }
<a class="jxr_linenumber" name="162" href="#162">162</a> 
<a class="jxr_linenumber" name="163" href="#163">163</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="164" href="#164">164</a> <em class="jxr_javadoccomment">     * Creates a new channel which is bound to the specified local address.</em>
<a class="jxr_linenumber" name="165" href="#165">165</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="166" href="#166">166</a> <em class="jxr_javadoccomment">     * @return a new bound channel which accepts incoming connections</em>
<a class="jxr_linenumber" name="167" href="#167">167</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="168" href="#168">168</a> <em class="jxr_javadoccomment">     * @throws ChannelException</em>
<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment">     *         if failed to create a new channel and</em>
<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment">     *                      bind it to the local address</em>
<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="172" href="#172">172</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/Channel.html">Channel</a> bind(<strong class="jxr_keyword">final</strong> SocketAddress localAddress) {
<a class="jxr_linenumber" name="173" href="#173">173</a>         <strong class="jxr_keyword">if</strong> (localAddress == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="174" href="#174">174</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"localAddress"</span>);
<a class="jxr_linenumber" name="175" href="#175">175</a>         }
<a class="jxr_linenumber" name="176" href="#176">176</a> 
<a class="jxr_linenumber" name="177" href="#177">177</a>         <a href="../../../../org/jboss/netty/channel/ChannelPipeline.html">ChannelPipeline</a> pipeline;
<a class="jxr_linenumber" name="178" href="#178">178</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="179" href="#179">179</a>             pipeline = getPipelineFactory().getPipeline();
<a class="jxr_linenumber" name="180" href="#180">180</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="181" href="#181">181</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelPipelineException.html">ChannelPipelineException</a>(<span class="jxr_string">"Failed to initialize a pipeline."</span>, e);
<a class="jxr_linenumber" name="182" href="#182">182</a>         }
<a class="jxr_linenumber" name="183" href="#183">183</a> 
<a class="jxr_linenumber" name="184" href="#184">184</a>         <a href="../../../../org/jboss/netty/channel/Channel.html">Channel</a> ch = getFactory().newChannel(pipeline);
<a class="jxr_linenumber" name="185" href="#185">185</a> 
<a class="jxr_linenumber" name="186" href="#186">186</a>         <em class="jxr_comment">// Apply options.</em>
<a class="jxr_linenumber" name="187" href="#187">187</a>         <strong class="jxr_keyword">boolean</strong> success = false;
<a class="jxr_linenumber" name="188" href="#188">188</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="189" href="#189">189</a>             ch.getConfig().setOptions(getOptions());
<a class="jxr_linenumber" name="190" href="#190">190</a>             success = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="191" href="#191">191</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="192" href="#192">192</a>             <strong class="jxr_keyword">if</strong> (!success) {
<a class="jxr_linenumber" name="193" href="#193">193</a>                 ch.close();
<a class="jxr_linenumber" name="194" href="#194">194</a>             }
<a class="jxr_linenumber" name="195" href="#195">195</a>         }
<a class="jxr_linenumber" name="196" href="#196">196</a> 
<a class="jxr_linenumber" name="197" href="#197">197</a>         <em class="jxr_comment">// Bind</em>
<a class="jxr_linenumber" name="198" href="#198">198</a>         <a href="../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> future = ch.bind(localAddress);
<a class="jxr_linenumber" name="199" href="#199">199</a> 
<a class="jxr_linenumber" name="200" href="#200">200</a>         <em class="jxr_comment">// Wait for the future.</em>
<a class="jxr_linenumber" name="201" href="#201">201</a>         future.awaitUninterruptibly();
<a class="jxr_linenumber" name="202" href="#202">202</a>         <strong class="jxr_keyword">if</strong> (!future.isSuccess()) {
<a class="jxr_linenumber" name="203" href="#203">203</a>             future.getChannel().close().awaitUninterruptibly();
<a class="jxr_linenumber" name="204" href="#204">204</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelException.html">ChannelException</a>(<span class="jxr_string">"Failed to bind to: "</span> + localAddress, future.getCause());
<a class="jxr_linenumber" name="205" href="#205">205</a>         }
<a class="jxr_linenumber" name="206" href="#206">206</a> 
<a class="jxr_linenumber" name="207" href="#207">207</a>         <strong class="jxr_keyword">return</strong> ch;
<a class="jxr_linenumber" name="208" href="#208">208</a>     }
<a class="jxr_linenumber" name="209" href="#209">209</a> 
<a class="jxr_linenumber" name="210" href="#210">210</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="211" href="#211">211</a> <em class="jxr_javadoccomment">     * Creates a new connected channel with the current {@code "remoteAddress"}</em>
<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment">     * and {@code "localAddress"} option.  If the {@code "localAddress"} option</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment">     * is not set, the local address of a new channel is determined</em>
<a class="jxr_linenumber" name="214" href="#214">214</a> <em class="jxr_javadoccomment">     * automatically. This method is similar to the following code:</em>
<a class="jxr_linenumber" name="215" href="#215">215</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="216" href="#216">216</a> <em class="jxr_javadoccomment">     * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="217" href="#217">217</a> <em class="jxr_javadoccomment">     * {@link ConnectionlessBootstrap} b = ...;</em>
<a class="jxr_linenumber" name="218" href="#218">218</a> <em class="jxr_javadoccomment">     * b.connect(b.getOption("remoteAddress"), b.getOption("localAddress"));</em>
<a class="jxr_linenumber" name="219" href="#219">219</a> <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="221" href="#221">221</a> <em class="jxr_javadoccomment">     * @return a future object which notifies when the creation of the connected</em>
<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_javadoccomment">     *         channel succeeds or fails</em>
<a class="jxr_linenumber" name="223" href="#223">223</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="224" href="#224">224</a> <em class="jxr_javadoccomment">     * @throws IllegalStateException</em>
<a class="jxr_linenumber" name="225" href="#225">225</a> <em class="jxr_javadoccomment">     *         if {@code "remoteAddress"} option was not set</em>
<a class="jxr_linenumber" name="226" href="#226">226</a> <em class="jxr_javadoccomment">     * @throws ClassCastException</em>
<a class="jxr_linenumber" name="227" href="#227">227</a> <em class="jxr_javadoccomment">     *         if {@code "remoteAddress"} or {@code "localAddress"} option's</em>
<a class="jxr_linenumber" name="228" href="#228">228</a> <em class="jxr_javadoccomment">     *            value is neither a {@link SocketAddress} nor {@code null}</em>
<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment">     * @throws ChannelPipelineException</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment">     *         if this bootstrap's {@link #setPipelineFactory(ChannelPipelineFactory) pipelineFactory}</em>
<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment">     *            failed to create a new {@link ChannelPipeline}</em>
<a class="jxr_linenumber" name="232" href="#232">232</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="233" href="#233">233</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> connect() {
<a class="jxr_linenumber" name="234" href="#234">234</a>         SocketAddress remoteAddress = (SocketAddress) getOption(<span class="jxr_string">"remoteAddress"</span>);
<a class="jxr_linenumber" name="235" href="#235">235</a>         <strong class="jxr_keyword">if</strong> (remoteAddress == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="236" href="#236">236</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> IllegalStateException(<span class="jxr_string">"remoteAddress option is not set."</span>);
<a class="jxr_linenumber" name="237" href="#237">237</a>         }
<a class="jxr_linenumber" name="238" href="#238">238</a>         <strong class="jxr_keyword">return</strong> connect(remoteAddress);
<a class="jxr_linenumber" name="239" href="#239">239</a>     }
<a class="jxr_linenumber" name="240" href="#240">240</a> 
<a class="jxr_linenumber" name="241" href="#241">241</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="242" href="#242">242</a> <em class="jxr_javadoccomment">     * Creates a new connected channel with the specified</em>
<a class="jxr_linenumber" name="243" href="#243">243</a> <em class="jxr_javadoccomment">     * {@code "remoteAddress"} and the current {@code "localAddress"} option.</em>
<a class="jxr_linenumber" name="244" href="#244">244</a> <em class="jxr_javadoccomment">     * If the {@code "localAddress"} option is not set, the local address of</em>
<a class="jxr_linenumber" name="245" href="#245">245</a> <em class="jxr_javadoccomment">     * a new channel is determined automatically.  This method is identical</em>
<a class="jxr_linenumber" name="246" href="#246">246</a> <em class="jxr_javadoccomment">     * with the following code:</em>
<a class="jxr_linenumber" name="247" href="#247">247</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="248" href="#248">248</a> <em class="jxr_javadoccomment">     * &lt;pre&gt;</em>
<a class="jxr_linenumber" name="249" href="#249">249</a> <em class="jxr_javadoccomment">     * {@link ConnectionlessBootstrap} b = ...;</em>
<a class="jxr_linenumber" name="250" href="#250">250</a> <em class="jxr_javadoccomment">     * b.connect(remoteAddress, b.getOption("localAddress"));</em>
<a class="jxr_linenumber" name="251" href="#251">251</a> <em class="jxr_javadoccomment">     * &lt;/pre&gt;</em>
<a class="jxr_linenumber" name="252" href="#252">252</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="253" href="#253">253</a> <em class="jxr_javadoccomment">     * @return a future object which notifies when the creation of the connected</em>
<a class="jxr_linenumber" name="254" href="#254">254</a> <em class="jxr_javadoccomment">     *         channel succeeds or fails</em>
<a class="jxr_linenumber" name="255" href="#255">255</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="256" href="#256">256</a> <em class="jxr_javadoccomment">     * @throws ClassCastException</em>
<a class="jxr_linenumber" name="257" href="#257">257</a> <em class="jxr_javadoccomment">     *         if {@code "localAddress"} option's value is</em>
<a class="jxr_linenumber" name="258" href="#258">258</a> <em class="jxr_javadoccomment">     *            neither a {@link SocketAddress} nor {@code null}</em>
<a class="jxr_linenumber" name="259" href="#259">259</a> <em class="jxr_javadoccomment">     * @throws ChannelPipelineException</em>
<a class="jxr_linenumber" name="260" href="#260">260</a> <em class="jxr_javadoccomment">     *         if this bootstrap's {@link #setPipelineFactory(ChannelPipelineFactory) pipelineFactory}</em>
<a class="jxr_linenumber" name="261" href="#261">261</a> <em class="jxr_javadoccomment">     *            failed to create a new {@link ChannelPipeline}</em>
<a class="jxr_linenumber" name="262" href="#262">262</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="263" href="#263">263</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> connect(SocketAddress remoteAddress) {
<a class="jxr_linenumber" name="264" href="#264">264</a>         <strong class="jxr_keyword">if</strong> (remoteAddress == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="265" href="#265">265</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"remotedAddress"</span>);
<a class="jxr_linenumber" name="266" href="#266">266</a>         }
<a class="jxr_linenumber" name="267" href="#267">267</a>         SocketAddress localAddress = (SocketAddress) getOption(<span class="jxr_string">"localAddress"</span>);
<a class="jxr_linenumber" name="268" href="#268">268</a>         <strong class="jxr_keyword">return</strong> connect(remoteAddress, localAddress);
<a class="jxr_linenumber" name="269" href="#269">269</a>     }
<a class="jxr_linenumber" name="270" href="#270">270</a> 
<a class="jxr_linenumber" name="271" href="#271">271</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="272" href="#272">272</a> <em class="jxr_javadoccomment">     * Creates a new connected channel with the specified</em>
<a class="jxr_linenumber" name="273" href="#273">273</a> <em class="jxr_javadoccomment">     * {@code "remoteAddress"} and the specified {@code "localAddress"}.</em>
<a class="jxr_linenumber" name="274" href="#274">274</a> <em class="jxr_javadoccomment">     * If the specified local address is {@code null}, the local address of a</em>
<a class="jxr_linenumber" name="275" href="#275">275</a> <em class="jxr_javadoccomment">     * new channel is determined automatically.</em>
<a class="jxr_linenumber" name="276" href="#276">276</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="277" href="#277">277</a> <em class="jxr_javadoccomment">     * @return a future object which notifies when the creation of the connected</em>
<a class="jxr_linenumber" name="278" href="#278">278</a> <em class="jxr_javadoccomment">     *         channel succeeds or fails</em>
<a class="jxr_linenumber" name="279" href="#279">279</a> <em class="jxr_javadoccomment">     *</em>
<a class="jxr_linenumber" name="280" href="#280">280</a> <em class="jxr_javadoccomment">     * @throws ChannelPipelineException</em>
<a class="jxr_linenumber" name="281" href="#281">281</a> <em class="jxr_javadoccomment">     *         if this bootstrap's {@link #setPipelineFactory(ChannelPipelineFactory) pipelineFactory}</em>
<a class="jxr_linenumber" name="282" href="#282">282</a> <em class="jxr_javadoccomment">     *            failed to create a new {@link ChannelPipeline}</em>
<a class="jxr_linenumber" name="283" href="#283">283</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="284" href="#284">284</a>     <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/ChannelFuture.html">ChannelFuture</a> connect(<strong class="jxr_keyword">final</strong> SocketAddress remoteAddress, <strong class="jxr_keyword">final</strong> SocketAddress localAddress) {
<a class="jxr_linenumber" name="285" href="#285">285</a> 
<a class="jxr_linenumber" name="286" href="#286">286</a>         <strong class="jxr_keyword">if</strong> (remoteAddress == <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="287" href="#287">287</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> NullPointerException(<span class="jxr_string">"remoteAddress"</span>);
<a class="jxr_linenumber" name="288" href="#288">288</a>         }
<a class="jxr_linenumber" name="289" href="#289">289</a> 
<a class="jxr_linenumber" name="290" href="#290">290</a>         <a href="../../../../org/jboss/netty/channel/ChannelPipeline.html">ChannelPipeline</a> pipeline;
<a class="jxr_linenumber" name="291" href="#291">291</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="292" href="#292">292</a>             pipeline = getPipelineFactory().getPipeline();
<a class="jxr_linenumber" name="293" href="#293">293</a>         } <strong class="jxr_keyword">catch</strong> (Exception e) {
<a class="jxr_linenumber" name="294" href="#294">294</a>             <strong class="jxr_keyword">throw</strong> <strong class="jxr_keyword">new</strong> <a href="../../../../org/jboss/netty/channel/ChannelPipelineException.html">ChannelPipelineException</a>(<span class="jxr_string">"Failed to initialize a pipeline."</span>, e);
<a class="jxr_linenumber" name="295" href="#295">295</a>         }
<a class="jxr_linenumber" name="296" href="#296">296</a> 
<a class="jxr_linenumber" name="297" href="#297">297</a>         <em class="jxr_comment">// Set the options.</em>
<a class="jxr_linenumber" name="298" href="#298">298</a>         <a href="../../../../org/jboss/netty/channel/Channel.html">Channel</a> ch = getFactory().newChannel(pipeline);
<a class="jxr_linenumber" name="299" href="#299">299</a>         <strong class="jxr_keyword">boolean</strong> success = false;
<a class="jxr_linenumber" name="300" href="#300">300</a>         <strong class="jxr_keyword">try</strong> {
<a class="jxr_linenumber" name="301" href="#301">301</a>             ch.getConfig().setOptions(getOptions());
<a class="jxr_linenumber" name="302" href="#302">302</a>             success = <strong class="jxr_keyword">true</strong>;
<a class="jxr_linenumber" name="303" href="#303">303</a>         } <strong class="jxr_keyword">finally</strong> {
<a class="jxr_linenumber" name="304" href="#304">304</a>             <strong class="jxr_keyword">if</strong> (!success) {
<a class="jxr_linenumber" name="305" href="#305">305</a>                 ch.close();
<a class="jxr_linenumber" name="306" href="#306">306</a>             }
<a class="jxr_linenumber" name="307" href="#307">307</a>         }
<a class="jxr_linenumber" name="308" href="#308">308</a> 
<a class="jxr_linenumber" name="309" href="#309">309</a>         <em class="jxr_comment">// Bind.</em>
<a class="jxr_linenumber" name="310" href="#310">310</a>         <strong class="jxr_keyword">if</strong> (localAddress != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="311" href="#311">311</a>             ch.bind(localAddress);
<a class="jxr_linenumber" name="312" href="#312">312</a>         }
<a class="jxr_linenumber" name="313" href="#313">313</a> 
<a class="jxr_linenumber" name="314" href="#314">314</a>         <em class="jxr_comment">// Connect.</em>
<a class="jxr_linenumber" name="315" href="#315">315</a>         <strong class="jxr_keyword">return</strong> ch.connect(remoteAddress);
<a class="jxr_linenumber" name="316" href="#316">316</a>     }
<a class="jxr_linenumber" name="317" href="#317">317</a> }
</pre>
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